When scientists say that an additional theory is ugly, they mean that adding the theory means ugly math. Ugly math is complicated, unsupported calculation--it'

When scientists say that an additional theory is ugly, they mean that adding the theory means ugly math. Ugly math is complicated, unsupported calculation--it's tweaking the theory to suit the data. In other words, the very reason they call it ugly is because of the things you cited. Now, it is certainly pseudo-science or wishful thinking, but cherry-picking the current knowledge base is how you create new theories.